Mercedes-Benz 2013 CL Operator's Manual page 418

Features
416
Do not place several floormats on top of each
other as this may impair pedal movement.
Slide the seat backwards.
X
To install: place the floormat in the
X
footwell.
Press studs : onto retainers ;.
X
To remove: pull the floormat off
X
retainers ;.
Remove the floormat.
X
Infrared reflective windshield
The infrared reflecting glass prevents the
vehicle interior from becoming too hot. It also
blocks radio waves up into the gigahertz
range.
Vehicles without Night View Assist
Areas permeable to radio waves (to the
:
left and right of the rain sensor cover)
Rain sensor cover
;
Areas permeable to radio waves
=
Vehicles with Night View Assist
Areas permeable to radio waves (to the
:
left of the rain sensor cover)
Rain sensor cover
;
Areas permeable to radio waves
=
In order to operate radio-controlled
equipment, e.g. toll recording systems,
areas : and = on the windshield are
permeable to radio waves. In these areas, you
can install radio-controlled systems.
These areas can best be seen from outside
the vehicle by observing the light reflected off
the windshield.